The van is broken, Grandpa is sick, there's something wrong with Clunk - and Rosie, Ben, and Max are lost in a desert! It's hot in the day and cold at night, and they don't have a lot of water. Can they find help? Learners can complete activities whilst reading or after reading – some with supporting activities for the Cambridge Young Learner Test. Picture dictionaries and glossaries help with unknown words along the way.